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Essays on Radiation

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Essay Examples

Harmful Effects of Cell Phone Use

Cell Phones

Mobile Phones


Words: 446 (2 pages)

Cellular phones are widely used all over the world and it was first made available in the United States in the 1990s. Since then, their use has dramatically increased and the amount of time people spend on their phones, both adults and children, had gone higher. Cell phones emit radiofrequency waves which is a form…

Abstract on Lasers and Its Applications




Words: 320 (2 pages)

Abstract: A laser is an optical device that emits coherent light (electromagnetic radiation). The term ‘laser’ is an acronym for Light Amplification by Stimulated Emission of Radiation. Typically, lasers are thought of as emitting light in a narrow, low-divergence beam, with a narrow wavelength spectrum (‘monochromatic’ light). Lasers need not have either characteristic, however, it…

Why Do I Want to Study Radiation Therapy?



Words: 892 (4 pages)

For me radiation therapy is the treatment of cancers with electromagnetic waves, and radiation therapists would be utilizing devices to administer this radiation at the site of cancer in order to destroy cancerous cells.  A radiation therapist would perform the activities concerned with the administration of radiation therapy on the patient, which would be performed…

Cobalt-60 and Food Irradiation



Words: 1275 (6 pages)

Cobalt-60 and Food Irradiation Introduction Is food preservation through radioactive materials possible? How can this technology prolong the freshness of foods? Will there be a possibility that the irradiated food products be radioactive? What are advantages and disadvantages of this technology? Food irradiation technology is used to control spoilage and to eliminate disease-causing bacteria in…

Antenna and Wave Propagation

Electrical engineering


Electronic Engineering





Words: 598 (3 pages)

MEENAKSHI SUNDARARAJAN ENGINEERING COLLEGE DEPARTMENT OF ECE EC2353-ANTENNAS AND WAVE PROPAGATION QUESTION BANK UNIT – I PART – A 1. What is retarded current? 2. Define hertzian dipole. 3. Define antenna gain. 4. What are the two types of radiation pattern? 5. State reciprocity principle. 6. Define antenna temperature. PART – B 1. Derive the…

Combined Convection and Radiation Experiments


Words: 1326 (6 pages)

Abstract The purpose of this report is to present experimental data that demonstrate the relationship between air velocity and surface temperature for a cylinder subjected to forced convection. This experiment will also determine the effects of forced convection on heat transfer from the surface of a cylinder at varying air velocities and surface temperatures. The…

When Radiation Therapy Kills



Words: 1268 (6 pages)

Case Study Chapter 5 When Radiation Therapy Kills 1. What concept in this chapter are illustrated in this case? What ethical issues are raised by radiation technology? There are three basic concept that can be apply in ethics in an information society. The concept that illustrated in this case is accountability. Accountability can be define…

Absorbance and Spectrometry



Scientific method

Words: 860 (4 pages)

Abstract This report investigates the absorbance of methylene blue and carmine red using a spectrophotometer to determine the absorption spectra of both solutions. The concentration of the unknown solution of methylene blue was found to be 1. 07 x 10-5 M by using the molar extinction coefficient, with absorption of 0. 547. It was also…

Blue Sky, Red Sunset, White Clouds Sample




Words: 718 (3 pages)

Not all colourss are the consequence of minus and add-on of visible radiation. Some colourss like the blue sky consequence from the selective sprinkling of the colourss of visible radiation by atoms in the ambiance. The colour scattered by the atoms depends on the size of the atoms themselves. BLUE SKYViolet is scattered more than…

Fiber Optics Research Paper




Words: 577 (3 pages)

Fiber Optics Research Paper Fiber optics is a branch of optics concerning the transmission of light by means of optical fibers, which are thin strands of glass or other optically transparent materials. Optical fibers can be used to guide light–which is electromagnetic radiation in a certain frequency range–in much the same way that metal wave…

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Frequently Asked Questions about Radiation

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What is radiation explain?
Radiation is energy that comes from a source and travels through space at the speed of light. This energy has an electric field and a magnetic field associated with it, and has wave-like properties. You could also call radiation “electromagnetic waves”.
What is radiation in real life?
ultraviolet light from the sun. heat from a stove burner. visible light from a candle. x-rays from an x-ray machine.
Why radiation is so important in our life?
Today, radiation is a common and valuable tool in medicine, research and industry. It is used in medicine to diagnose illnesses, and in high doses, to treat diseases such as cancer. Also, high doses of radiation are used to kill harmful bacteria in food and to extend the shelf life of fresh produce.

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